e/Pneumatic filter

Information
has gloss	eng: A pneumatic filter is a device which removes contaminants from a compressed air stream. This can be done using a number of different techniques, from using a "media" type that traps particulates, but allows air to pass through to a venturi, to a membrane that only allows air to pass through.
lexicalization	eng: pneumatic filter
instance of	(noun) device that removes something from whatever passes through it filter